analog save: Avoid index duplication between analog & logic channels.

[libsigrok.git] / src / output / srzip.c

diff --git a/src/output/srzip.c b/src/output/srzip.c
index aa3c37577d33fbe17dbf576f79f8da9986017993..2d269aebd27bbed078c563859b760c729646d060 100644 (file)
--- a/src/output/srzip.c
+++ b/src/output/srzip.c
@@ -33,7 +33,7 @@ struct out_context {
        gboolean zip_created;
        uint64_t samplerate;
        char *filename;
-       gint min_analog_index;
+       gint analog_offset;
 };
 
 static int init(struct sr_output *o, GHashTable *options)
@@ -67,6 +67,7 @@ static int zip_create(const struct sr_output *o)
        char *s, *metabuf;
        gsize metalen;
        guint logic_channels = 0, analog_channels = 0;
+       gint min_analog_index;
 
        outc = o->priv;
 
@@ -105,7 +106,7 @@ static int zip_create(const struct sr_output *o)
        g_key_file_set_string(meta, devgroup, "samplerate", s);
        g_free(s);
 
-       outc->min_analog_index = -1;
+       min_analog_index = -1;
 
        for (l = o->sdi->channels; l; l = l->next) {
                ch = l->data;
@@ -114,14 +115,16 @@ static int zip_create(const struct sr_output *o)
                        logic_channels++;
                        break;
                case SR_CHANNEL_ANALOG:
-                       if (outc->min_analog_index == -1 ||
-                                       ch->index < outc->min_analog_index)
-                               outc->min_analog_index = ch->index;
+                       if (min_analog_index == -1 ||
+                                       ch->index < min_analog_index)
+                               min_analog_index = ch->index;
                        analog_channels++;
                        break;
                }
        }
 
+       outc->analog_offset = logic_channels - min_analog_index + 1;
+
        g_key_file_set_integer(meta, devgroup, "total probes", logic_channels);
        g_key_file_set_integer(meta, devgroup, "total analog", analog_channels);
 
@@ -132,8 +135,7 @@ static int zip_create(const struct sr_output *o)
                        s = g_strdup_printf("probe%d", ch->index + 1);
                        break;
                case SR_CHANNEL_ANALOG:
-                       s = g_strdup_printf("analog%d",
-                                       ch->index - outc->min_analog_index + 1);
+                       s = g_strdup_printf("analog%d", ch->index + outc->analog_offset);
                        break;
                }
                if (ch->enabled)
@@ -318,7 +320,7 @@ static int zip_append_analog(const struct sr_output *o,
        channel = analog->meaning->channels->data;
 
        basename = g_strdup_printf("analog-1-%u",
-                       channel->index - outc->min_analog_index + 1);
+                       channel->index + outc->analog_offset);
        baselen = strlen(basename);
        next_chunk_num = 1;
        num_files = zip_get_num_entries(archive, 0);